| 锁相放大器的新进展 |
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| 引用本文： | 孙志斌,陈佳圭.锁相放大器的新进展[J].物理,2006,35(10):879-884. |
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| 作者姓名： | 孙志斌 陈佳圭 |
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| 作者单位： | 中国科学院物理研究所,北京,100080 |
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| 摘 要： | 主要介绍了模拟锁相放大器和数字锁相放大器原理、特点、过渡和发展过程．通过数字锁相放大器的硬件的模块化结构、灵活的算法设计、软件的升级能力、应用的范围和特点以及性价比等，说明锁相放大器发展的前景和动力．
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| 关 键 词： | 模拟锁相放大器 数字锁相放大器 正交相关算法 数字锁相环 数字低通滤波 |
| 收稿时间： | 2006-08-14 |
| 修稿时间： | 2006-08-14 |
Advance of lock-in amplifier |
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| SUN Zhi-Bin,CHEN Jia-Gui.Advance of lock-in amplifier[J].Physics,2006,35(10):879-884. |
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| Authors: | SUN Zhi-Bin CHEN Jia-Gui |
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| Institution: | Institute of Physics, Chinese Academy of Science, Beijing 100080, China |
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| Abstract: | This review gives an introduction to the principle, character and development of the analog and digital lock-in amplifier. Especially, the digital lock-in amplifier has the following advantages: the model hardware, flexible arithmetic, updatable software, extensive application and low cost. So the development of the lock-in amplifier would have a bright future and powerful strength. |
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| Keywords: | analog lock-in amplifier digital lock-in amplifier orthogonal vector arithmetic digital phase locked loop digital low pass filter |
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